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參數(shù)資料
| 型號： | STB60NH02L |
| 廠商： | 意法半導體 |
| 英文描述： | N-CHANNEL 24V - 0.0085 ohm - 60A DPAK STripFET⑩ III POWER MOSFET |
| 中文描述： | N溝道24V的- 0.0085歐姆-第60A條?巴基斯坦STripFET⑩三功率MOSFET |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 423K |
| 代理商： | STB60NH02L |
9/11
STB60NH02L
SW1
SW2
APPENDIX A
Buck Converter: Power Losses Estimation
The power losses associated with the FETs in a Synchronous Buck converter can be
estimated using the equations shown in the table below. The formulas give a good
approximation, for the sake of performance comparison, of how different pairs of devices
affect the converter efficiency. However a very important parameter, the working
temperature, is not considered. The real device behavior is really dependent on how the
heat generated inside the devices is rmoved to allow for a safer working junction
temperature.
The low side (
SW2
) device requires:
Very low R
DS(on)
to reduce conduction losses
Small Q
gls
to reduce the gate charge losses
Small C
oss
to reduce losses due to output capacitance
Small Q
rr
to reduce losses on SW
1
during its turn-on
The C
gd
/C
gs
ratio lower than V
th
/V
gg
ratio especially with low drain to source
voltage to avoid the cross conduction phenomenon;
The high side (
SW1)
device requires:
Small R
g
and L
s
to allow higher gate current peak an to limit the voltage
feedback on the gate
Small Q
g
to have a faster commutation and to reduce gate charge losses
Low R
DS(on)
to reduce the conduction losses.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| STB60NH02L_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:N-CHANNEL 24V - 0.0085 ohm - 60A D2PAK STripFET TM III POWER MOSFET |
| STB60NH02LT4 | 功能描述:MOSFET N-Ch 24 Volt 60 Amp RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| STB60NS04ZT4 | 功能描述:MOSFET N-Ch Clamped 60 Amp RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| STB6100 | 制造商:STMicroelectronics 功能描述:TUNERS SATELLITE 2.15GMHZ 32QFN - Trays 制造商:STMicroelectronics 功能描述:Tuners Satellite 2.15GMHz 32-Pin QFN Tray |
| STB6100_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8PSK/QPSK direct conversion tuner IC |
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